make sure everything is clean to begin with.
I use Starsan. I store it in a jug, and pour it into a pot when I need it.
Every surface of everything that touches the wine gets wet with Starsan (wet, but doesn't have to soak). After 1 minute it is good to go.
Rack the Starsan solution from the pot to the Carboy in order to santize the inside of the racking cane/tube. Rotate the Carboy to get all the surfaces wet. Don't worry about the foam that doesn't pour out.
I use a funnel to pour into bottles, and pour from bottle to bottle, to sanitize them.
If I use a spoon/hydrometer/other utensil, I rinse it off with tap water, and put it in the pot with the starsan. I use a measuring cup to get all wet, and leave it there until I need it again during that session.